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builtin rebase: support `--exec` 

This commit adds support for the `--exec` option which takes a shell
command-line as argument. This argument will be appended as an `exec
<cmd>` command after each line in the todo list that creates a commit in
the final history.  commands.

Note: while the shell script version of `git rebase` assigned the empty
string to `cmd` by default, we *unset* it here because the code looks
nicer and it does not change the behavior.

The `--exec` option requires `--interactive` machinery.

Signed-off-by: Pratik Karki <predatoramigo@gmail.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pratik Karki 2018-09-04 15:00:04 -07:00 committed by Junio C Hamano
parent 6defce2b02
commit 68e46d7868
1 changed files with 18 additions and 0 deletions
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18
builtin/rebase.c
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@ -93,6 +93,7 @@ struct rebase_options {
int autosquash;
char *gpg_sign_opt;
int autostash;
char *cmd;
};
static int is_interactive(struct rebase_options *opts)
@ -346,6 +347,7 @@ static int run_specific_rebase(struct rebase_options *opts)
add_var(&script_snippet, "keep_empty", opts->keep_empty ? "yes" : "");
add_var(&script_snippet, "autosquash", opts->autosquash ? "t" : "");
add_var(&script_snippet, "gpg_sign_opt", opts->gpg_sign_opt);
add_var(&script_snippet, "cmd", opts->cmd);
switch (opts->type) {
case REBASE_AM:
@ -619,6 +621,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
const char *gpg_sign = NULL;
int opt_c = -1;
struct string_list whitespace = STRING_LIST_INIT_NODUP;
struct string_list exec = STRING_LIST_INIT_NODUP;
struct option builtin_rebase_options[] = {
OPT_STRING(0, "onto", &options.onto_name,
N_("revision"),
@ -692,6 +695,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
REBASE_AM),
OPT_BOOL(0, "autostash", &options.autostash,
N_("automatically stash/stash pop before and after")),
OPT_STRING_LIST('x', "exec", &exec, N_("exec"),
N_("add exec lines after each commit of the "
"editable list")),
OPT_END(),
};
@ -916,6 +922,17 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
}
}
if (exec.nr) {
int i;
imply_interactive(&options, "--exec");
strbuf_reset(&buf);
for (i = 0; i < exec.nr; i++)
strbuf_addf(&buf, "exec %s\n", exec.items[i].string);
options.cmd = xstrdup(buf.buf);
}
switch (options.type) {
case REBASE_MERGE:
case REBASE_INTERACTIVE:
@ -1198,5 +1215,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
strbuf_release(&revisions);
free(options.head_name);
free(options.gpg_sign_opt);
free(options.cmd);
return ret;
}